![Zac Efron Looks Ripped While Filming 'Neighbors 2: Sorority Rising' in Atlanta: Photo 862621 | rose byrne, Seth Rogen, Zac Efron Pictures | Just Jared Jr. Zac Efron Looks Ripped While Filming 'Neighbors 2: Sorority Rising' in Atlanta: Photo 862621 | rose byrne, Seth Rogen, Zac Efron Pictures | Just Jared Jr.](https://cdn.justjaredjr.com/wp-content/uploads/2015/09/zac-biceps/zac-efron-biceps-rose-byrne-neighbors-2-set-16.jpg)
Zac Efron Looks Ripped While Filming 'Neighbors 2: Sorority Rising' in Atlanta: Photo 862621 | rose byrne, Seth Rogen, Zac Efron Pictures | Just Jared Jr.
![Zac Efron Looks Ripped While Filming 'Neighbors 2: Sorority Rising' in Atlanta: Photo 862624 | rose byrne, Seth Rogen, Zac Efron Pictures | Just Jared Jr. Zac Efron Looks Ripped While Filming 'Neighbors 2: Sorority Rising' in Atlanta: Photo 862624 | rose byrne, Seth Rogen, Zac Efron Pictures | Just Jared Jr.](https://cdn.justjaredjr.com/wp-content/uploads/2015/09/zac-biceps/zac-efron-biceps-rose-byrne-neighbors-2-set-19.jpg)
Zac Efron Looks Ripped While Filming 'Neighbors 2: Sorority Rising' in Atlanta: Photo 862624 | rose byrne, Seth Rogen, Zac Efron Pictures | Just Jared Jr.
![Zac Efron joins Seth Rogen and Dave Franco on set of Neighbors 2 | Zac efron, Zac, Mens fashion casual Zac Efron joins Seth Rogen and Dave Franco on set of Neighbors 2 | Zac efron, Zac, Mens fashion casual](https://i.pinimg.com/originals/b1/5c/ab/b15cab539d2156afe221b23feebde048.jpg)
Zac Efron joins Seth Rogen and Dave Franco on set of Neighbors 2 | Zac efron, Zac, Mens fashion casual
![Zac Efron Shows Off His Bulging Biceps on 'Neighbors 2' Set: Photo 3457004 | Rose Byrne, Seth Rogen, Zac Efron Pictures | Just Jared Zac Efron Shows Off His Bulging Biceps on 'Neighbors 2' Set: Photo 3457004 | Rose Byrne, Seth Rogen, Zac Efron Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2015/09/zac-biceps/zac-efron-biceps-rose-byrne-neighbors-2-set-18.jpg)
Zac Efron Shows Off His Bulging Biceps on 'Neighbors 2' Set: Photo 3457004 | Rose Byrne, Seth Rogen, Zac Efron Pictures | Just Jared
![Zac Efron Shares a Hot Shirtless Workout Photo!: Photo 3468720 | Shirtless, Zac Efron Pictures | Just Jared Zac Efron Shares a Hot Shirtless Workout Photo!: Photo 3468720 | Shirtless, Zac Efron Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2015/09/efron-hotwork/zac-efron-shares-a-hot-shirtless-workout-photo-08.jpg)
Zac Efron Shares a Hot Shirtless Workout Photo!: Photo 3468720 | Shirtless, Zac Efron Pictures | Just Jared
![Zac Efron Shows Off His Bulging Biceps on 'Neighbors 2' Set: Photo 3457008 | Rose Byrne, Seth Rogen, Zac Efron Pictures | Just Jared Zac Efron Shows Off His Bulging Biceps on 'Neighbors 2' Set: Photo 3457008 | Rose Byrne, Seth Rogen, Zac Efron Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2015/09/zac-biceps/zac-efron-biceps-rose-byrne-neighbors-2-set-22.jpg)
Zac Efron Shows Off His Bulging Biceps on 'Neighbors 2' Set: Photo 3457008 | Rose Byrne, Seth Rogen, Zac Efron Pictures | Just Jared
![Zac Efron: Frat Tattoo on Bulging Bicep for 'Townies'!: Photo 2857385 | Seth Rogen, Townies, Zac Efron Pictures | Just Jared Zac Efron: Frat Tattoo on Bulging Bicep for 'Townies'!: Photo 2857385 | Seth Rogen, Townies, Zac Efron Pictures | Just Jared](https://cdn.justjared.com/wp-content/uploads/2013/04/efron-frattat/zac-efron-frat-tattoo-on-bulging-bicep-for-townies-02.jpg)